American Dictionary

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Definition arbiter in American English

arbiter noun

[countable] noun
/ˈɑrbɪtər/
Example

The U.S. Supreme Court acts as final arbiter when district courts disagree.

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2

someone whose opinions about a subject have a lot of influence

Example

The guidebook is the ultimate arbiter of culinary excellence.

Synonyms and related words
Definition arbiter in American English